180 m² family villa in Puidoux (VD)
Replacement of 1998 oil boiler + 12 kWp on-roof solar installation + coupling with Daikin Altherma air-to-water heat pump.
- Gross investment
- CHF 62,000
- Cantonal subsidies
- CHF 12,500
- Tax deduction
- CHF 13,400
- Net effective cost
- CHF 36,100
- Annual savings
- ~CHF 3,200
- Estimated ROI
- 11 years
House moved from EPC class E to class B. Heating carbon footprint divided by 4. Winter comfort significantly improved.
